What is the cheapest airline that flies from Belfast to San Francisco Bay Area?

British Airways is the most popular carrier operating from Belfast to San Francisco Bay Area

When did momondo last update prices for flights from Belfast to San Francisco Bay Area?

Prices for flights from Belfast to San Francisco Bay Area are updated daily.

How many operators does momondo search for flights from Belfast to San Francisco Bay Area?

The number of operators available for flights from Belfast to San Francisco Bay Area is 1 as of June 2026.

How old do you have to be to fly from Belfast to San Francisco Bay Area?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Francisco Bay Area.

What documentation or ID do you need to fly to San Francisco Bay Area?

The necessary travel and health documents for your San Francisco Bay Area trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£364 Cheap Flights from Belfast to San Francisco Bay Area in 2026

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Belfast to San Francisco Bay Area

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:45 - 18:35

BHD

SFO

17h 50m

1 stop

17:25 - 18:50

SFO

BHD

17h 25m

1 stop

£615British Airways

Fri, 13 Nov - Thu, 26 Nov

06:45 - 14:55

BHD

SFO

16h 10m

1 stop

14:12 - 16:40

SFO

BHD

18h 28m

2 stops

£617British Airways

Fri, 13 Nov - Thu, 26 Nov

09:25 - 18:35

BHD

SFO

17h 10m

1 stop

17:25 - 18:40

SFO

BHD

17h 15m

1 stop

£645British Airways

Mon, 14 Dec - Sun, 3 Jan

08:45 - 20:14

BHD

SFO

19h 29m

2 stops

11:24 - 14:00

SFO

BHD

18h 36m

2 stops

£647British Airways

Fri, 13 Nov - Thu, 26 Nov

08:45 - 20:14

BHD

SFO

19h 29m

2 stops

11:24 - 14:00

SFO

BHD

18h 36m

2 stops

£648British Airways

Fri, 13 Nov - Thu, 26 Nov

11:30 - 22:52

BHD

SFO

19h 22m

2 stops

17:25 - 16:50

SFO

BHD

15h 25m

1 stop

£648British Airways

Mon, 14 Dec - Sun, 3 Jan

08:45 - 20:14

BHD

SFO

19h 29m

2 stops

11:24 - 14:00

SFO

BHD

18h 36m

2 stops

£649British Airways

Fri, 13 Nov - Thu, 26 Nov

15:40 - 14:55

BHD

SFO

31h 15m

1 stop

20:35 - 20:15

SFO

BHD

15h 40m

1 stop

£673British Airways

Wed, 4 Nov - Sun, 8 Nov

13:45 - 14:40

BFS

SFO

32h 55m

2 stops

16:45 - 21:30

SFO

BFS

20h 45m

2 stops

£772Multiple Airlines

Thu, 20 Aug - Sat, 29 Aug

22:45 - 21:55

BFS

SFO

31h 10m

3 stops

08:10 - 22:20

SFO

BFS

30h 10m

3 stops

£780Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

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Delta flights from Belfast to San Francisco Bay Area

Our best Delta deals on Belfast to San Francisco Bay Area flight tickets

Delta

11 Jul

BHD09:50Belfast City

22h 09m

2 stops

SFO23:59San Francisco

25 Jul

SFO13:45San Francisco

35h 35m

1 stop

BHD09:20Belfast City

£711

Delta

27 Jul

BHD09:50Belfast City

22h 43m

2 stops

SFO00:33San Francisco

3 Aug

SFO09:30San Francisco

23h 25m

2 stops

BHD16:55Belfast City

£747

Delta

11 Jul

BHD09:50Belfast City

22h 09m

2 stops

SFO23:59San Francisco

23 Jul

SFO13:45San Francisco

35h 35m

1 stop

BHD09:20Belfast City

£752

British Airways flights from Belfast to San Francisco Bay Area

Our best British Airways deals on Belfast to San Francisco Bay Area flight tickets

British Airways

13 Nov

BHD06:45Belfast City

16h 10m

1 stop

SFO14:55San Francisco

26 Nov

SFO09:12San Francisco

17h 08m

2 stops

BHD10:20Belfast City

£615

British Airways

14 Dec

BHD09:25Belfast City

17h 10m

1 stop

SFO18:35San Francisco

3 Jan

SFO17:25San Francisco

17h 15m

1 stop

BHD18:40Belfast City

£645

British Airways

13 Nov

BHD08:45Belfast City

19h 29m

2 stops

SFO20:14San Francisco

26 Nov

SFO11:24San Francisco

18h 36m

2 stops

BHD14:00Belfast City

£647

momondo Fare Finder

Use the filters below to find and compare flights from Belfast to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

08:45-18:35

1 stop17h 50m

San Francisco

Thu 26/11

17:25-18:50

1 stop17h 25m

£615

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

06:45-14:55

1 stop16h 10m

San Francisco

Thu 26/11

14:12-16:40

2 stops18h 28m

£617

Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 14/12

09:25-18:35

1 stop17h 10m

San Francisco

Sun 3/1

17:25-18:40

1 stop17h 15m

£645

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

08:45-20:14

2 stops19h 29m

San Francisco

Thu 26/11

11:24-14:00

2 stops18h 36m

£647

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

08:45-20:14

2 stops19h 29m

San Francisco

Thu 26/11

11:24-14:00

2 stops18h 36m

£648

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 14/12

11:30-22:52

2 stops19h 22m

San Francisco

Sun 3/1

17:25-16:50

1 stop15h 25m

£648

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 13/11

08:45-20:14

2 stops19h 29m

San Francisco

Thu 26/11

11:24-14:00

2 stops18h 36m

£649

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 4/11

15:40-14:55

1 stop31h 15m

San Francisco

Sun 8/11

20:35-20:15

1 stop15h 40m

£673

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 20/8

13:45-14:40

2 stops32h 55m

San Francisco

Sat 29/8

16:45-21:30

2 stops20h 45m

£772

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 12/8

22:45-21:55

3 stops31h 10m

San Francisco

Wed 19/8

08:10-22:20

3 stops30h 10m

£780

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast to San Francisco Bay Area

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Francisco Bay Area?

The cheapest month to fly to San Francisco Bay Area from Belfast is in November. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you’re not able to fly to San Francisco Bay Area in November, then January is your next best option. Flight prices from Belfast to San Francisco Bay Area during January average around £0.

Cheap Belfast to San Francisco Bay Area flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to San Francisco Bay Area

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from Belfast to San Francisco Bay Area takes 17h 10m

There are no direct flights from Belfast to San Francisco Bay Area. There are no popular flight routes from Belfast to San Francisco Bay Area.

Search flight deals

Frequently asked questions about flying from Belfast to San Francisco Bay Area

When did momondo last update prices for flights from Belfast to San Francisco Bay Area?
Prices for flights from Belfast to San Francisco Bay Area are updated daily.
How many operators does momondo search for flights from Belfast to San Francisco Bay Area?
The number of operators available for flights from Belfast to San Francisco Bay Area is 1 as of June 2026.
How old do you have to be to fly from Belfast to San Francisco Bay Area?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Francisco Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The necessary travel and health documents for your San Francisco Bay Area trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to San Francisco Bay Area

Compare and see reviews for airlines that fly from Belfast to San Francisco Bay Area with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £516	Free Cancellation	Rating 6.7 8,088 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to San Francisco Bay Area?

Finding the right flight to San Francisco Bay Area from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco Bay Area quick and easy, saving you time and money.

Can I find flights from Belfast to San Francisco Bay Area with flexible booking policies on momondo?

Yes. All flights to San Francisco Bay Area from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to San Francisco Bay Area?

Once you have performed a search for Belfast to San Francisco Bay Area flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to San Francisco Bay Area right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Belfast to San Francisco Bay Area flights. All you need is a valid email address and we will do the rest; it is that quick and easy.